CCSS.MATH.CONTENT.3.NBT.A.2
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
- Plus Plan
Number of the Day Worksheet
Explore 4, 5, and 6-digit numbers using this number of the day worksheet with your students.
- Plus Plan
Compensation Strategy for Addition Interactive Slide Deck
Teach your students to use the compensation strategy for addition with an interactive teaching slide deck.
- Plus Plan
Adding within 1,000 Expanded Form Worksheet
Practice using the break apart strategy by working through this addition worksheet.
- Plus Plan
Break Apart Strategy Addition Dominoes
Practice using the break apart strategy with this set of two-digit addition dominoes.
- Plus Plan
3 Digit Subtraction -Mathzee Math Game
Practice subtracting 3-digit numbers with and without regrouping with a fun game of Subtraction Mathzee!
- Plus Plan
3 Digit Subtraction with Regrouping - Strategy Task Cards
Practice 3-digit subtraction strategies with a set of 24 subtraction task cards.
- Plus Plan
Addition and Subtraction with Regrouping - Posters
Break down the steps to use regrouping to find a solution with an addition and a subtraction poster.
- Plus Plan
Subtraction Using Base 10 Blocks - Worksheet
Subtract two-digit numbers using base-10 blocks with a printable subtraction worksheet.
- Plus Plan
Jump Strategy for Subtraction – Interactive Teaching Slides
Teach your students to subtract two-digit numbers using the jump strategy with an instructional teaching presentation.
- Plus Plan
Mental Math Subtraction Printable Posters
Use this set of subtraction posters in your classroom when teaching different mental math strategies.
- Plus Plan
Mixed Operations Minute Math Booklet (Lower-Level Version)
Jump into your math lessons with this ten-page mental math booklet covering the four operations and number patterns.
- Plus Plan
Adding 2-Digit Numbers Task Cards
Practice adding 2-digit numbers with this set of 18 number sentence task cards.
- Plus Plan
Making Ten Teaching Slide Deck
A 14-slide PowerPoint that uses engaging animations to walk students through the 'making ten' addition strategy.
- Plus Plan
Addition Strategies Worksheet
A worksheet to use when reviewing different addition strategies.
- Plus Plan
Math Mazes - Addition and Subtraction
A set of puzzling mazes that require addition and subtraction skills to solve.
- Plus Plan
Subtraction Dog – Worksheet
Practice subtraction facts with this set of differentiated worksheets.
- Plus Plan
2-Digit Plus 1-Digit Addition – Star Matchup Cards
A set of matchup cards to practice adding a 2-digit number with a 1-digit number.
- Plus Plan
Open-ended Math Problem Solving - Grades 1, 2, and 3 (Task Card Version)
A set of 20 open-ended problem solving task cards covering a range of mathematical concepts.
- Plus Plan
Open-Ended Math Problem Solving - Grades 1, 2, and 3 (PowerPoint Version)
A PowerPoint with 20 open-ended problem solving questions covering a range of mathematical concepts.
- Plus Plan
Strategies for Subtraction - Anchor Charts
Remind your students of the many subtraction strategies with a printable subtraction anchor chart display.
- Plus Plan
Addition Strategies Posters
Create an "addition strategies display" for your students with this set of 7 posters.
- Plus Plan
What's it Worth? - Money Activity (US Currency)
A game to play when learning how to add currency.
- Plus Plan
Spooky Subtraction - 3rd Grade Halloween Math Game
Practice triple-digit subtraction with regrouping with an exciting 3rd Grade Halloween Math Game.
- Plus Plan
Addition by Regrouping Classroom Poster
Learn the steps to addition with regrouping with this simple classroom poster.
- Plus Plan
Break Apart Strategy Interactive PowerPoint
Learn all about the break apart strategy with this teaching PowerPoint.
- Plus Plan
Addition Strategies Task Cards
Practice using the jump strategy, break apart strategy, compensation strategy and 100s chart strategy with this set of task cards.
- Plus Plan
Addition Strategy Mats
Practice using a variety of addition strategies to add 2-digit numbers.
- Plus Plan
Double-Digit Addition Strategies Posters
Remind your students to use different addition strategies with a set of printable two-digit addition strategies.
- Plus Plan
Number Talks - Double Digit Addition Task Cards
Build number sense skills with this set of 24 task cards.
- Plus Plan
Adding within 1,000 Mystery Image Reveal Worksheet
Practice using the strip diagram to add within 1,000 with this fun mystery picture reveal activity.
- Plus Plan
Missing Addends Addition Worksheet
Build addition strategies with this worksheet where students need to identify the missing addend and matching subtraction equations.
- Plus Plan
Compensation Strategy Addition Mini Book
Use this mini-book to help your students learn how to use the compensation strategy to solve addition sums.